Nel, probably diminutive for Elleanor
It is believed that a baby was given away for adoption because of the death of Jane Thomas in March 1899
birth cert Evans Mary Ellen Bangor 11b 466 - Not her - father here is Robert Evans
birth Jun 1899 Evans Ellen Carnarvon 11b 417 - not her mother is Ann not Jane
Birth Mar 1899 Evans Ellen Carnarvon 11b 395 no father Robert John Evans, mother Catherine
It appears from a family bible that in fact she was a baby Annie born Jan 1899 and died Dec 1899 - buried on Christmas Day 1899